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Message-ID: <20101110035833.GB3029@kamineko.org> Date: Wed, 10 Nov 2010 12:58:33 +0900 From: Mattia Dongili <malattia@...ux.it> To: Norbert Preining <preining@...ic.at> Cc: linux-kernel@...r.kernel.org, ACPI Devel Mailing List <linux-acpi@...r.kernel.org> Subject: Re: regression since 2.6.36: backlight in sony-laptop not working On Thu, Nov 04, 2010 at 11:29:15PM +0900, Norbert Preining wrote: > Hi Mattia, hi all, > > (please keep me in Cc) > > when switching from 2.6.36 to 2.6.37-rc1(+git) I realize that I cannot > adjust the backlight anymore. Before this was possible with the > Fn-F5 and Fn-F6 keys, but now nothing happens. It's ages sony_laptop doesn't change, it may be some other change in the acpi layer that causes this. > acpi_listen does not issue anything when these keys are pressed. How about the input layer? /proc/acpi/event is deprecated and you should not rely on that. But anyway, it's a Fn key issue, not backlight control itself, right? Can you change brightness echoing to the sysfs files directly? > Is there any obvious oversight from my side? don't know, can you bisect it? > config is attached. can you attach dmesg output after loading sony_laptop with debug=1 and pressing the brightness keys? -- mattia :wq! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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